19211391

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{15139}}^1$

素因数の和:15195

約数の個数: 16

約数和(自身を含む): 29068800

約数和(自身を除く): 9857409

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 15139, 45417, 136251, 408753, 711533, 2134599, 6403797, 19211391]

約数ペア:

[(1, 19211391), (3, 6403797), (9, 2134599), (27, 711533), (47, 408753), (141, 136251), (423, 45417), (1269, 15139)]